其实这也是在保护我们人类自己，因为地球是我们共同的家。
In fact, this is that we protect ourselves. Because the earth is our common family.
我们生活在同一个地球，我们只有一个地球，地球是我们共同的家。
We live in the same planet, we have only one earth, the earth is our common home.
我们生活在同一个地球，我们只有一个地球，地球是我们共同的家。
We live in the same planet, we have only one earth, the earth is our common home.
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